| | 1 | /* |
| | 2 | * Copyright (c) 1985, 1988, 1993, 1994 |
| | 3 | * The Regents of the University of California. All rights reserved. |
| | 4 | * |
| | 5 | * %sccs.include.redist.c% |
| | 6 | * |
| | 7 | * @(#)ftpcmd.y 8.3 (Berkeley) %G% |
| | 8 | */ |
| | 9 | |
| | 10 | /* |
| | 11 | * Grammar for FTP commands. |
| | 12 | * See RFC 959. |
| | 13 | */ |
| | 14 | |
| | 15 | %{ |
| | 16 | |
| | 17 | #ifndef lint |
| | 18 | static char sccsid[] = "@(#)ftpcmd.y 8.3 (Berkeley) %G%"; |
| | 19 | #endif /* not lint */ |
| | 20 | |
| | 21 | #include <sys/param.h> |
| | 22 | #include <sys/socket.h> |
| | 23 | #include <sys/stat.h> |
| | 24 | |
| | 25 | #include <netinet/in.h> |
| | 26 | #include <arpa/ftp.h> |
| | 27 | |
| | 28 | #include <ctype.h> |
| | 29 | #include <errno.h> |
| | 30 | #include <glob.h> |
| | 31 | #include <pwd.h> |
| | 32 | #include <setjmp.h> |
| | 33 | #include <signal.h> |
| | 34 | #include <stdio.h> |
| | 35 | #include <stdlib.h> |
| | 36 | #include <string.h> |
| | 37 | #include <syslog.h> |
| | 38 | #include <time.h> |
| | 39 | #include <unistd.h> |
| | 40 | |
| | 41 | #include "extern.h" |
| | 42 | |
| | 43 | extern struct sockaddr_in data_dest; |
| | 44 | extern int logged_in; |
| | 45 | extern struct passwd *pw; |
| | 46 | extern int guest; |
| | 47 | extern int logging; |
| | 48 | extern int type; |
| | 49 | extern int form; |
| | 50 | extern int debug; |
| | 51 | extern int timeout; |
| | 52 | extern int maxtimeout; |
| | 53 | extern int pdata; |
| | 54 | extern char hostname[], remotehost[]; |
| | 55 | extern char proctitle[]; |
| | 56 | extern int usedefault; |
| | 57 | extern int transflag; |
| | 58 | extern char tmpline[]; |
| | 59 | |
| | 60 | static int cmd_type; |
| | 61 | static int cmd_form; |
| | 62 | static int cmd_bytesz; |
| | 63 | char cbuf[512]; |
| | 64 | char *fromname; |
| | 65 | |
| | 66 | %} |
| | 67 | |
| | 68 | %union { |
| | 69 | int i; |
| | 70 | char *s; |
| | 71 | } |
| | 72 | |
| | 73 | %token |
| | 74 | A B C E F I |
| | 75 | L N P R S T |
| | 76 | |
| | 77 | SP CRLF COMMA |
| | 78 | |
| | 79 | USER PASS ACCT REIN QUIT PORT |
| | 80 | PASV TYPE STRU MODE RETR STOR |
| | 81 | APPE MLFL MAIL MSND MSOM MSAM |
| | 82 | MRSQ MRCP ALLO REST RNFR RNTO |
| | 83 | ABOR DELE CWD LIST NLST SITE |
| | 84 | STAT HELP NOOP MKD RMD PWD |
| | 85 | CDUP STOU SMNT SYST SIZE MDTM |
| | 86 | |
| | 87 | UMASK IDLE CHMOD |
| | 88 | |
| | 89 | LEXERR |
| | 90 | |
| | 91 | %token <s> STRING |
| | 92 | %token <i> NUMBER |
| | 93 | |
| | 94 | %type <i> check_login octal_number byte_size |
| | 95 | %type <i> struct_code mode_code type_code form_code |
| | 96 | %type <s> pathstring pathname password username |
| | 97 | |
| | 98 | %start cmd_list |
| | 99 | |
| | 100 | %% |
| | 101 | |
| | 102 | cmd_list |
| | 103 | : /* empty */ |
| | 104 | | cmd_list cmd |
| | 105 | { |
| | 106 | fromname = (char *) 0; |
| | 107 | } |
| | 108 | | cmd_list rcmd |
| | 109 | ; |
| | 110 | |
| | 111 | cmd |
| | 112 | : USER SP username CRLF |
| | 113 | { |
| | 114 | user($3); |
| | 115 | free($3); |
| | 116 | } |
| | 117 | | PASS SP password CRLF |
| | 118 | { |
| | 119 | pass($3); |
| | 120 | free($3); |
| | 121 | } |
| | 122 | | PORT SP host_port CRLF |
| | 123 | { |
| | 124 | usedefault = 0; |
| | 125 | if (pdata >= 0) { |
| | 126 | (void) close(pdata); |
| | 127 | pdata = -1; |
| | 128 | } |
| | 129 | reply(200, "PORT command successful."); |
| | 130 | } |
| | 131 | | PASV CRLF |
| | 132 | { |
| | 133 | passive(); |
| | 134 | } |
| | 135 | | TYPE SP type_code CRLF |
| | 136 | { |
| | 137 | switch (cmd_type) { |
| | 138 | |
| | 139 | case TYPE_A: |
| | 140 | if (cmd_form == FORM_N) { |
| | 141 | reply(200, "Type set to A."); |
| | 142 | type = cmd_type; |
| | 143 | form = cmd_form; |
| | 144 | } else |
| | 145 | reply(504, "Form must be N."); |
| | 146 | break; |
| | 147 | |
| | 148 | case TYPE_E: |
| | 149 | reply(504, "Type E not implemented."); |
| | 150 | break; |
| | 151 | |
| | 152 | case TYPE_I: |
| | 153 | reply(200, "Type set to I."); |
| | 154 | type = cmd_type; |
| | 155 | break; |
| | 156 | |
| | 157 | case TYPE_L: |
| | 158 | #if NBBY == 8 |
| | 159 | if (cmd_bytesz == 8) { |
| | 160 | reply(200, |
| | 161 | "Type set to L (byte size 8)."); |
| | 162 | type = cmd_type; |
| | 163 | } else |
| | 164 | reply(504, "Byte size must be 8."); |
| | 165 | #else /* NBBY == 8 */ |
| | 166 | UNIMPLEMENTED for NBBY != 8 |
| | 167 | #endif /* NBBY == 8 */ |
| | 168 | } |
| | 169 | } |
| | 170 | | STRU SP struct_code CRLF |
| | 171 | { |
| | 172 | switch ($3) { |
| | 173 | |
| | 174 | case STRU_F: |
| | 175 | reply(200, "STRU F ok."); |
| | 176 | break; |
| | 177 | |
| | 178 | default: |
| | 179 | reply(504, "Unimplemented STRU type."); |
| | 180 | } |
| | 181 | } |
| | 182 | | MODE SP mode_code CRLF |
| | 183 | { |
| | 184 | switch ($3) { |
| | 185 | |
| | 186 | case MODE_S: |
| | 187 | reply(200, "MODE S ok."); |
| | 188 | break; |
| | 189 | |
| | 190 | default: |
| | 191 | reply(502, "Unimplemented MODE type."); |
| | 192 | } |
| | 193 | } |
| | 194 | | ALLO SP NUMBER CRLF |
| | 195 | { |
| | 196 | reply(202, "ALLO command ignored."); |
| | 197 | } |
| | 198 | | ALLO SP NUMBER SP R SP NUMBER CRLF |
| | 199 | { |
| | 200 | reply(202, "ALLO command ignored."); |
| | 201 | } |
| | 202 | | RETR check_login SP pathname CRLF |
| | 203 | { |
| | 204 | if ($2 && $4 != NULL) |
| | 205 | retrieve((char *) 0, $4); |
| | 206 | if ($4 != NULL) |
| | 207 | free($4); |
| | 208 | } |
| | 209 | | STOR check_login SP pathname CRLF |
| | 210 | { |
| | 211 | if ($2 && $4 != NULL) |
| | 212 | store($4, "w", 0); |
| | 213 | if ($4 != NULL) |
| | 214 | free($4); |
| | 215 | } |
| | 216 | | APPE check_login SP pathname CRLF |
| | 217 | { |
| | 218 | if ($2 && $4 != NULL) |
| | 219 | store($4, "a", 0); |
| | 220 | if ($4 != NULL) |
| | 221 | free($4); |
| | 222 | } |
| | 223 | | NLST check_login CRLF |
| | 224 | { |
| | 225 | if ($2) |
| | 226 | send_file_list("."); |
| | 227 | } |
| | 228 | | NLST check_login SP STRING CRLF |
| | 229 | { |
| | 230 | if ($2 && $4 != NULL) |
| | 231 | send_file_list($4); |
| | 232 | if ($4 != NULL) |
| | 233 | free($4); |
| | 234 | } |
| | 235 | | LIST check_login CRLF |
| | 236 | { |
| | 237 | if ($2) |
| | 238 | retrieve("/bin/ls -lgA", ""); |
| | 239 | } |
| | 240 | | LIST check_login SP pathname CRLF |
| | 241 | { |
| | 242 | if ($2 && $4 != NULL) |
| | 243 | retrieve("/bin/ls -lgA %s", $4); |
| | 244 | if ($4 != NULL) |
| | 245 | free($4); |
| | 246 | } |
| | 247 | | STAT check_login SP pathname CRLF |
| | 248 | { |
| | 249 | if ($2 && $4 != NULL) |
| | 250 | statfilecmd($4); |
| | 251 | if ($4 != NULL) |
| | 252 | free($4); |
| | 253 | } |
| | 254 | | STAT CRLF |
| | 255 | { |
| | 256 | statcmd(); |
| | 257 | } |
| | 258 | | DELE check_login SP pathname CRLF |
| | 259 | { |
| | 260 | if ($2 && $4 != NULL) |
| | 261 | delete($4); |
| | 262 | if ($4 != NULL) |
| | 263 | free($4); |
| | 264 | } |
| | 265 | | RNTO SP pathname CRLF |
| | 266 | { |
| | 267 | if (fromname) { |
| | 268 | renamecmd(fromname, $3); |
| | 269 | free(fromname); |
| | 270 | fromname = (char *) 0; |
| | 271 | } else { |
| | 272 | reply(503, "Bad sequence of commands."); |
| | 273 | } |
| | 274 | free($3); |
| | 275 | } |
| | 276 | | ABOR CRLF |
| | 277 | { |
| | 278 | reply(225, "ABOR command successful."); |
| | 279 | } |
| | 280 | | CWD check_login CRLF |
| | 281 | { |
| | 282 | if ($2) |
| | 283 | cwd(pw->pw_dir); |
| | 284 | } |
| | 285 | | CWD check_login SP pathname CRLF |
| | 286 | { |
| | 287 | if ($2 && $4 != NULL) |
| | 288 | cwd($4); |
| | 289 | if ($4 != NULL) |
| | 290 | free($4); |
| | 291 | } |
| | 292 | | HELP CRLF |
| | 293 | { |
| | 294 | help(cmdtab, (char *) 0); |
| | 295 | } |
| | 296 | | HELP SP STRING CRLF |
| | 297 | { |
| | 298 | char *cp = $3; |
| | 299 | |
| | 300 | if (strncasecmp(cp, "SITE", 4) == 0) { |
| | 301 | cp = $3 + 4; |
| | 302 | if (*cp == ' ') |
| | 303 | cp++; |
| | 304 | if (*cp) |
| | 305 | help(sitetab, cp); |
| | 306 | else |
| | 307 | help(sitetab, (char *) 0); |
| | 308 | } else |
| | 309 | help(cmdtab, $3); |
| | 310 | } |
| | 311 | | NOOP CRLF |
| | 312 | { |
| | 313 | reply(200, "NOOP command successful."); |
| | 314 | } |
| | 315 | | MKD check_login SP pathname CRLF |
| | 316 | { |
| | 317 | if ($2 && $4 != NULL) |
| | 318 | makedir($4); |
| | 319 | if ($4 != NULL) |
| | 320 | free($4); |
| | 321 | } |
| | 322 | | RMD check_login SP pathname CRLF |
| | 323 | { |
| | 324 | if ($2 && $4 != NULL) |
| | 325 | removedir($4); |
| | 326 | if ($4 != NULL) |
| | 327 | free($4); |
| | 328 | } |
| | 329 | | PWD check_login CRLF |
| | 330 | { |
| | 331 | if ($2) |
| | 332 | pwd(); |
| | 333 | } |
| | 334 | | CDUP check_login CRLF |
| | 335 | { |
| | 336 | if ($2) |
| | 337 | cwd(".."); |
| | 338 | } |
| | 339 | | SITE SP HELP CRLF |
| | 340 | { |
| | 341 | help(sitetab, (char *) 0); |
| | 342 | } |
| | 343 | | SITE SP HELP SP STRING CRLF |
| | 344 | { |
| | 345 | help(sitetab, $5); |
| | 346 | } |
| | 347 | | SITE SP UMASK check_login CRLF |
| | 348 | { |
| | 349 | int oldmask; |
| | 350 | |
| | 351 | if ($4) { |
| | 352 | oldmask = umask(0); |
| | 353 | (void) umask(oldmask); |
| | 354 | reply(200, "Current UMASK is %03o", oldmask); |
| | 355 | } |
| | 356 | } |
| | 357 | | SITE SP UMASK check_login SP octal_number CRLF |
| | 358 | { |
| | 359 | int oldmask; |
| | 360 | |
| | 361 | if ($4) { |
| | 362 | if (($6 == -1) || ($6 > 0777)) { |
| | 363 | reply(501, "Bad UMASK value"); |
| | 364 | } else { |
| | 365 | oldmask = umask($6); |
| | 366 | reply(200, |
| | 367 | "UMASK set to %03o (was %03o)", |
| | 368 | $6, oldmask); |
| | 369 | } |
| | 370 | } |
| | 371 | } |
| | 372 | | SITE SP CHMOD check_login SP octal_number SP pathname CRLF |
| | 373 | { |
| | 374 | if ($4 && ($8 != NULL)) { |
| | 375 | if ($6 > 0777) |
| | 376 | reply(501, |
| | 377 | "CHMOD: Mode value must be between 0 and 0777"); |
| | 378 | else if (chmod($8, $6) < 0) |
| | 379 | perror_reply(550, $8); |
| | 380 | else |
| | 381 | reply(200, "CHMOD command successful."); |
| | 382 | } |
| | 383 | if ($8 != NULL) |
| | 384 | free($8); |
| | 385 | } |
| | 386 | | SITE SP IDLE CRLF |
| | 387 | { |
| | 388 | reply(200, |
| | 389 | "Current IDLE time limit is %d seconds; max %d", |
| | 390 | timeout, maxtimeout); |
| | 391 | } |
| | 392 | | SITE SP IDLE SP NUMBER CRLF |
| | 393 | { |
| | 394 | if ($5 < 30 || $5 > maxtimeout) { |
| | 395 | reply(501, |
| | 396 | "Maximum IDLE time must be between 30 and %d seconds", |
| | 397 | maxtimeout); |
| | 398 | } else { |
| | 399 | timeout = $5; |
| | 400 | (void) alarm((unsigned) timeout); |
| | 401 | reply(200, |
| | 402 | "Maximum IDLE time set to %d seconds", |
| | 403 | timeout); |
| | 404 | } |
| | 405 | } |
| | 406 | | STOU check_login SP pathname CRLF |
| | 407 | { |
| | 408 | if ($2 && $4 != NULL) |
| | 409 | store($4, "w", 1); |
| | 410 | if ($4 != NULL) |
| | 411 | free($4); |
| | 412 | } |
| | 413 | | SYST CRLF |
| | 414 | { |
| | 415 | #ifdef unix |
| | 416 | #ifdef BSD |
| | 417 | reply(215, "UNIX Type: L%d Version: BSD-%d", |
| | 418 | NBBY, BSD); |
| | 419 | #else /* BSD */ |
| | 420 | reply(215, "UNIX Type: L%d", NBBY); |
| | 421 | #endif /* BSD */ |
| | 422 | #else /* unix */ |
| | 423 | reply(215, "UNKNOWN Type: L%d", NBBY); |
| | 424 | #endif /* unix */ |
| | 425 | } |
| | 426 | |
| | 427 | /* |
| | 428 | * SIZE is not in RFC959, but Postel has blessed it and |
| | 429 | * it will be in the updated RFC. |
| | 430 | * |
| | 431 | * Return size of file in a format suitable for |
| | 432 | * using with RESTART (we just count bytes). |
| | 433 | */ |
| | 434 | | SIZE check_login SP pathname CRLF |
| | 435 | { |
| | 436 | if ($2 && $4 != NULL) |
| | 437 | sizecmd($4); |
| | 438 | if ($4 != NULL) |
| | 439 | free($4); |
| | 440 | } |
| | 441 | |
| | 442 | /* |
| | 443 | * MDTM is not in RFC959, but Postel has blessed it and |
| | 444 | * it will be in the updated RFC. |
| | 445 | * |
| | 446 | * Return modification time of file as an ISO 3307 |
| | 447 | * style time. E.g. YYYYMMDDHHMMSS or YYYYMMDDHHMMSS.xxx |
| | 448 | * where xxx is the fractional second (of any precision, |
| | 449 | * not necessarily 3 digits) |
| | 450 | */ |
| | 451 | | MDTM check_login SP pathname CRLF |
| | 452 | { |
| | 453 | if ($2 && $4 != NULL) { |
| | 454 | struct stat stbuf; |
| | 455 | if (stat($4, &stbuf) < 0) |
| | 456 | reply(550, "%s: %s", |
| | 457 | $4, strerror(errno)); |
| | 458 | else if (!S_ISREG(stbuf.st_mode)) { |
| | 459 | reply(550, "%s: not a plain file.", $4); |
| | 460 | } else { |
| | 461 | struct tm *t; |
| | 462 | t = gmtime(&stbuf.st_mtime); |
| | 463 | reply(213, |
| | 464 | "19%02d%02d%02d%02d%02d%02d", |
| | 465 | t->tm_year, t->tm_mon+1, t->tm_mday, |
| | 466 | t->tm_hour, t->tm_min, t->tm_sec); |
| | 467 | } |
| | 468 | } |
| | 469 | if ($4 != NULL) |
| | 470 | free($4); |
| | 471 | } |
| | 472 | | QUIT CRLF |
| | 473 | { |
| | 474 | reply(221, "Goodbye."); |
| | 475 | dologout(0); |
| | 476 | } |
| | 477 | | error CRLF |
| | 478 | { |
| | 479 | yyerrok; |
| | 480 | } |
| | 481 | ; |
| | 482 | rcmd |
| | 483 | : RNFR check_login SP pathname CRLF |
| | 484 | { |
| | 485 | char *renamefrom(); |
| | 486 | |
| | 487 | if ($2 && $4) { |
| | 488 | fromname = renamefrom($4); |
| | 489 | if (fromname == (char *) 0 && $4) { |
| | 490 | free($4); |
| | 491 | } |
| | 492 | } |
| | 493 | } |
| | 494 | ; |
| | 495 | |
| | 496 | username |
| | 497 | : STRING |
| | 498 | ; |
| | 499 | |
| | 500 | password |
| | 501 | : /* empty */ |
| | 502 | { |
| | 503 | $$ = (char *)calloc(1, sizeof(char)); |
| | 504 | } |
| | 505 | | STRING |
| | 506 | ; |
| | 507 | |
| | 508 | byte_size |
| | 509 | : NUMBER |
| | 510 | ; |
| | 511 | |
| | 512 | host_port |
| | 513 | : NUMBER COMMA NUMBER COMMA NUMBER COMMA NUMBER COMMA |
| | 514 | NUMBER COMMA NUMBER |
| | 515 | { |
| | 516 | char *a, *p; |
| | 517 | |
| | 518 | a = (char *)&data_dest.sin_addr; |
| | 519 | a[0] = $1; a[1] = $3; a[2] = $5; a[3] = $7; |
| | 520 | p = (char *)&data_dest.sin_port; |
| | 521 | p[0] = $9; p[1] = $11; |
| | 522 | data_dest.sin_family = AF_INET; |
| | 523 | } |
| | 524 | ; |
| | 525 | |
| | 526 | form_code |
| | 527 | : N |
| | 528 | { |
| | 529 | $$ = FORM_N; |
| | 530 | } |
| | 531 | | T |
| | 532 | { |
| | 533 | $$ = FORM_T; |
| | 534 | } |
| | 535 | | C |
| | 536 | { |
| | 537 | $$ = FORM_C; |
| | 538 | } |
| | 539 | ; |
| | 540 | |
| | 541 | type_code |
| | 542 | : A |
| | 543 | { |
| | 544 | cmd_type = TYPE_A; |
| | 545 | cmd_form = FORM_N; |
| | 546 | } |
| | 547 | | A SP form_code |
| | 548 | { |
| | 549 | cmd_type = TYPE_A; |
| | 550 | cmd_form = $3; |
| | 551 | } |
| | 552 | | E |
| | 553 | { |
| | 554 | cmd_type = TYPE_E; |
| | 555 | cmd_form = FORM_N; |
| | 556 | } |
| | 557 | | E SP form_code |
| | 558 | { |
| | 559 | cmd_type = TYPE_E; |
| | 560 | cmd_form = $3; |
| | 561 | } |
| | 562 | | I |
| | 563 | { |
| | 564 | cmd_type = TYPE_I; |
| | 565 | } |
| | 566 | | L |
| | 567 | { |
| | 568 | cmd_type = TYPE_L; |
| | 569 | cmd_bytesz = NBBY; |
| | 570 | } |
| | 571 | | L SP byte_size |
| | 572 | { |
| | 573 | cmd_type = TYPE_L; |
| | 574 | cmd_bytesz = $3; |
| | 575 | } |
| | 576 | /* this is for a bug in the BBN ftp */ |
| | 577 | | L byte_size |
| | 578 | { |
| | 579 | cmd_type = TYPE_L; |
| | 580 | cmd_bytesz = $2; |
| | 581 | } |
| | 582 | ; |
| | 583 | |
| | 584 | struct_code |
| | 585 | : F |
| | 586 | { |
| | 587 | $$ = STRU_F; |
| | 588 | } |
| | 589 | | R |
| | 590 | { |
| | 591 | $$ = STRU_R; |
| | 592 | } |
| | 593 | | P |
| | 594 | { |
| | 595 | $$ = STRU_P; |
| | 596 | } |
| | 597 | ; |
| | 598 | |
| | 599 | mode_code |
| | 600 | : S |
| | 601 | { |
| | 602 | $$ = MODE_S; |
| | 603 | } |
| | 604 | | B |
| | 605 | { |
| | 606 | $$ = MODE_B; |
| | 607 | } |
| | 608 | | C |
| | 609 | { |
| | 610 | $$ = MODE_C; |
| | 611 | } |
| | 612 | ; |
| | 613 | |
| | 614 | pathname |
| | 615 | : pathstring |
| | 616 | { |
| | 617 | /* |
| | 618 | * Problem: this production is used for all pathname |
| | 619 | * processing, but only gives a 550 error reply. |
| | 620 | * This is a valid reply in some cases but not in others. |
| | 621 | */ |
| | 622 | if (logged_in && $1 && *$1 == '~') { |
| | 623 | glob_t gl; |
| | 624 | int flags = |
| | 625 | GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE; |
| | 626 | |
| | 627 | memset(&gl, 0, sizeof(gl)); |
| | 628 | if (glob($1, flags, NULL, &gl) || |
| | 629 | gl.gl_pathc == 0) { |
| | 630 | reply(550, "not found"); |
| | 631 | $$ = NULL; |
| | 632 | } else { |
| | 633 | $$ = strdup(gl.gl_pathv[0]); |
| | 634 | } |
| | 635 | globfree(&gl); |
| | 636 | free($1); |
| | 637 | } else |
| | 638 | $$ = $1; |
| | 639 | } |
| | 640 | ; |
| | 641 | |
| | 642 | pathstring |
| | 643 | : STRING |
| | 644 | ; |
| | 645 | |
| | 646 | octal_number |
| | 647 | : NUMBER |
| | 648 | { |
| | 649 | int ret, dec, multby, digit; |
| | 650 | |
| | 651 | /* |
| | 652 | * Convert a number that was read as decimal number |
| | 653 | * to what it would be if it had been read as octal. |
| | 654 | */ |
| | 655 | dec = $1; |
| | 656 | multby = 1; |
| | 657 | ret = 0; |
| | 658 | while (dec) { |
| | 659 | digit = dec%10; |
| | 660 | if (digit > 7) { |
| | 661 | ret = -1; |
| | 662 | break; |
| | 663 | } |
| | 664 | ret += digit * multby; |
| | 665 | multby *= 8; |
| | 666 | dec /= 10; |
| | 667 | } |
| | 668 | $$ = ret; |
| | 669 | } |
| | 670 | ; |
| | 671 | |
| | 672 | |
| | 673 | check_login |
| | 674 | : /* empty */ |
| | 675 | { |
| | 676 | if (logged_in) |
| | 677 | $$ = 1; |
| | 678 | else { |
| | 679 | reply(530, "Please login with USER and PASS."); |
| | 680 | $$ = 0; |
| | 681 | } |
| | 682 | } |
| | 683 | ; |
| | 684 | |
| | 685 | %% |
| | 686 | |
| | 687 | extern jmp_buf errcatch; |
| | 688 | |
| | 689 | #define CMD 0 /* beginning of command */ |
| | 690 | #define ARGS 1 /* expect miscellaneous arguments */ |
| | 691 | #define STR1 2 /* expect SP followed by STRING */ |
| | 692 | #define STR2 3 /* expect STRING */ |
| | 693 | #define OSTR 4 /* optional SP then STRING */ |
| | 694 | #define ZSTR1 5 /* SP then optional STRING */ |
| | 695 | #define ZSTR2 6 /* optional STRING after SP */ |
| | 696 | #define SITECMD 7 /* SITE command */ |
| | 697 | #define NSTR 8 /* Number followed by a string */ |
| | 698 | |
| | 699 | struct tab { |
| | 700 | char *name; |
| | 701 | short token; |
| | 702 | short state; |
| | 703 | short implemented; /* 1 if command is implemented */ |
| | 704 | char *help; |
| | 705 | }; |
| | 706 | |
| | 707 | struct tab cmdtab[] = { /* In order defined in RFC 765 */ |
| | 708 | { "USER", USER, STR1, 1, "<sp> username" }, |
| | 709 | { "PASS", PASS, ZSTR1, 1, "<sp> password" }, |
| | 710 | { "ACCT", ACCT, STR1, 0, "(specify account)" }, |
| | 711 | { "SMNT", SMNT, ARGS, 0, "(structure mount)" }, |
| | 712 | { "REIN", REIN, ARGS, 0, "(reinitialize server state)" }, |
| | 713 | { "QUIT", QUIT, ARGS, 1, "(terminate service)", }, |
| | 714 | { "PORT", PORT, ARGS, 1, "<sp> b0, b1, b2, b3, b4" }, |
| | 715 | { "PASV", PASV, ARGS, 1, "(set server in passive mode)" }, |
| | 716 | { "TYPE", TYPE, ARGS, 1, "<sp> [ A | E | I | L ]" }, |
| | 717 | { "STRU", STRU, ARGS, 1, "(specify file structure)" }, |
| | 718 | { "MODE", MODE, ARGS, 1, "(specify transfer mode)" }, |
| | 719 | { "RETR", RETR, STR1, 1, "<sp> file-name" }, |
| | 720 | { "STOR", STOR, STR1, 1, "<sp> file-name" }, |
| | 721 | { "APPE", APPE, STR1, 1, "<sp> file-name" }, |
| | 722 | { "MLFL", MLFL, OSTR, 0, "(mail file)" }, |
| | 723 | { "MAIL", MAIL, OSTR, 0, "(mail to user)" }, |
| | 724 | { "MSND", MSND, OSTR, 0, "(mail send to terminal)" }, |
| | 725 | { "MSOM", MSOM, OSTR, 0, "(mail send to terminal or mailbox)" }, |
| | 726 | { "MSAM", MSAM, OSTR, 0, "(mail send to terminal and mailbox)" }, |
| | 727 | { "MRSQ", MRSQ, OSTR, 0, "(mail recipient scheme question)" }, |
| | 728 | { "MRCP", MRCP, STR1, 0, "(mail recipient)" }, |
| | 729 | { "ALLO", ALLO, ARGS, 1, "allocate storage (vacuously)" }, |
| | 730 | { "REST", REST, ARGS, 0, "(restart command)" }, |
| | 731 | { "RNFR", RNFR, STR1, 1, "<sp> file-name" }, |
| | 732 | { "RNTO", RNTO, STR1, 1, "<sp> file-name" }, |
| | 733 | { "ABOR", ABOR, ARGS, 1, "(abort operation)" }, |
| | 734 | { "DELE", DELE, STR1, 1, "<sp> file-name" }, |
| | 735 | { "CWD", CWD, OSTR, 1, "[ <sp> directory-name ]" }, |
| | 736 | { "XCWD", CWD, OSTR, 1, "[ <sp> directory-name ]" }, |
| | 737 | { "LIST", LIST, OSTR, 1, "[ <sp> path-name ]" }, |
| | 738 | { "NLST", NLST, OSTR, 1, "[ <sp> path-name ]" }, |
| | 739 | { "SITE", SITE, SITECMD, 1, "site-cmd [ <sp> arguments ]" }, |
| | 740 | { "SYST", SYST, ARGS, 1, "(get type of operating system)" }, |
| | 741 | { "STAT", STAT, OSTR, 1, "[ <sp> path-name ]" }, |
| | 742 | { "HELP", HELP, OSTR, 1, "[ <sp> <string> ]" }, |
| | 743 | { "NOOP", NOOP, ARGS, 1, "" }, |
| | 744 | { "MKD", MKD, STR1, 1, "<sp> path-name" }, |
| | 745 | { "XMKD", MKD, STR1, 1, "<sp> path-name" }, |
| | 746 | { "RMD", RMD, STR1, 1, "<sp> path-name" }, |
| | 747 | { "XRMD", RMD, STR1, 1, "<sp> path-name" }, |
| | 748 | { "PWD", PWD, ARGS, 1, "(return current directory)" }, |
| | 749 | { "XPWD", PWD, ARGS, 1, "(return current directory)" }, |
| | 750 | { "CDUP", CDUP, ARGS, 1, "(change to parent directory)" }, |
| | 751 | { "XCUP", CDUP, ARGS, 1, "(change to parent directory)" }, |
| | 752 | { "STOU", STOU, STR1, 1, "<sp> file-name" }, |
| | 753 | { "SIZE", SIZE, OSTR, 1, "<sp> path-name" }, |
| | 754 | { "MDTM", MDTM, OSTR, 1, "<sp> path-name" }, |
| | 755 | { NULL, 0, 0, 0, 0 } |
| | 756 | }; |
| | 757 | |
| | 758 | struct tab sitetab[] = { |
| | 759 | { "UMASK", UMASK, ARGS, 1, "[ <sp> umask ]" }, |
| | 760 | { "IDLE", IDLE, ARGS, 1, "[ <sp> maximum-idle-time ]" }, |
| | 761 | { "CHMOD", CHMOD, NSTR, 1, "<sp> mode <sp> file-name" }, |
| | 762 | { "HELP", HELP, OSTR, 1, "[ <sp> <string> ]" }, |
| | 763 | { NULL, 0, 0, 0, 0 } |
| | 764 | }; |
| | 765 | |
| | 766 | static char *copy __P((char *)); |
| | 767 | static void help __P((struct tab *, char *)); |
| | 768 | static struct tab * |
| | 769 | lookup __P((struct tab *, char *)); |
| | 770 | static void sizecmd __P((char *)); |
| | 771 | static void toolong __P((int)); |
| | 772 | static int yylex __P((void)); |
| | 773 | |
| | 774 | static struct tab * |
| | 775 | lookup(p, cmd) |
| | 776 | struct tab *p; |
| | 777 | char *cmd; |
| | 778 | { |
| | 779 | |
| | 780 | for (; p->name != NULL; p++) |
| | 781 | if (strcmp(cmd, p->name) == 0) |
| | 782 | return (p); |
| | 783 | return (0); |
| | 784 | } |
| | 785 | |
| | 786 | #include <arpa/telnet.h> |
| | 787 | |
| | 788 | /* |
| | 789 | * getline - a hacked up version of fgets to ignore TELNET escape codes. |
| | 790 | */ |
| | 791 | char * |
| | 792 | getline(s, n, iop) |
| | 793 | char *s; |
| | 794 | int n; |
| | 795 | FILE *iop; |
| | 796 | { |
| | 797 | int c; |
| | 798 | register char *cs; |
| | 799 | |
| | 800 | cs = s; |
| | 801 | /* tmpline may contain saved command from urgent mode interruption */ |
| | 802 | for (c = 0; tmpline[c] != '\0' && --n > 0; ++c) { |
| | 803 | *cs++ = tmpline[c]; |
| | 804 | if (tmpline[c] == '\n') { |
| | 805 | *cs++ = '\0'; |
| | 806 | if (debug) |
| | 807 | syslog(LOG_DEBUG, "command: %s", s); |
| | 808 | tmpline[0] = '\0'; |
| | 809 | return(s); |
| | 810 | } |
| | 811 | if (c == 0) |
| | 812 | tmpline[0] = '\0'; |
| | 813 | } |
| | 814 | while ((c = getc(iop)) != EOF) { |
| | 815 | c &= 0377; |
| | 816 | if (c == IAC) { |
| | 817 | if ((c = getc(iop)) != EOF) { |
| | 818 | c &= 0377; |
| | 819 | switch (c) { |
| | 820 | case WILL: |
| | 821 | case WONT: |
| | 822 | c = getc(iop); |
| | 823 | printf("%c%c%c", IAC, DONT, 0377&c); |
| | 824 | (void) fflush(stdout); |
| | 825 | continue; |
| | 826 | case DO: |
| | 827 | case DONT: |
| | 828 | c = getc(iop); |
| | 829 | printf("%c%c%c", IAC, WONT, 0377&c); |
| | 830 | (void) fflush(stdout); |
| | 831 | continue; |
| | 832 | case IAC: |
| | 833 | break; |
| | 834 | default: |
| | 835 | continue; /* ignore command */ |
| | 836 | } |
| | 837 | } |
| | 838 | } |
| | 839 | *cs++ = c; |
| | 840 | if (--n <= 0 || c == '\n') |
| | 841 | break; |
| | 842 | } |
| | 843 | if (c == EOF && cs == s) |
| | 844 | return (NULL); |
| | 845 | *cs++ = '\0'; |
| | 846 | if (debug) { |
| | 847 | if (!guest && strncasecmp("pass ", s, 5) == 0) { |
| | 848 | /* Don't syslog passwords */ |
| | 849 | syslog(LOG_DEBUG, "command: %.5s ???", s); |
| | 850 | } else { |
| | 851 | register char *cp; |
| | 852 | register int len; |
| | 853 | |
| | 854 | /* Don't syslog trailing CR-LF */ |
| | 855 | len = strlen(s); |
| | 856 | cp = s + len - 1; |
| | 857 | while (cp >= s && (*cp == '\n' || *cp == '\r')) { |
| | 858 | --cp; |
| | 859 | --len; |
| | 860 | } |
| | 861 | syslog(LOG_DEBUG, "command: %.*s", len, s); |
| | 862 | } |
| | 863 | } |
| | 864 | return (s); |
| | 865 | } |
| | 866 | |
| | 867 | static void |
| | 868 | toolong(signo) |
| | 869 | int signo; |
| | 870 | { |
| | 871 | |
| | 872 | reply(421, |
| | 873 | "Timeout (%d seconds): closing control connection.", timeout); |
| | 874 | if (logging) |
| | 875 | syslog(LOG_INFO, "User %s timed out after %d seconds", |
| | 876 | (pw ? pw -> pw_name : "unknown"), timeout); |
| | 877 | dologout(1); |
| | 878 | } |
| | 879 | |
| | 880 | static int |
| | 881 | yylex() |
| | 882 | { |
| | 883 | static int cpos, state; |
| | 884 | char *cp, *cp2; |
| | 885 | struct tab *p; |
| | 886 | int n; |
| | 887 | char c; |
| | 888 | |
| | 889 | for (;;) { |
| | 890 | switch (state) { |
| | 891 | |
| | 892 | case CMD: |
| | 893 | (void) signal(SIGALRM, toolong); |
| | 894 | (void) alarm((unsigned) timeout); |
| | 895 | if (getline(cbuf, sizeof(cbuf)-1, stdin) == NULL) { |
| | 896 | reply(221, "You could at least say goodbye."); |
| | 897 | dologout(0); |
| | 898 | } |
| | 899 | (void) alarm(0); |
| | 900 | #ifdef SETPROCTITLE |
| | 901 | if (strncasecmp(cbuf, "PASS", 4) != NULL) |
| | 902 | setproctitle("%s: %s", proctitle, cbuf); |
| | 903 | #endif /* SETPROCTITLE */ |
| | 904 | if ((cp = strchr(cbuf, '\r'))) { |
| | 905 | *cp++ = '\n'; |
| | 906 | *cp = '\0'; |
| | 907 | } |
| | 908 | if ((cp = strpbrk(cbuf, " \n"))) |
| | 909 | cpos = cp - cbuf; |
| | 910 | if (cpos == 0) |
| | 911 | cpos = 4; |
| | 912 | c = cbuf[cpos]; |
| | 913 | cbuf[cpos] = '\0'; |
| | 914 | upper(cbuf); |
| | 915 | p = lookup(cmdtab, cbuf); |
| | 916 | cbuf[cpos] = c; |
| | 917 | if (p != 0) { |
| | 918 | if (p->implemented == 0) { |
| | 919 | nack(p->name); |
| | 920 | longjmp(errcatch,0); |
| | 921 | /* NOTREACHED */ |
| | 922 | } |
| | 923 | state = p->state; |
| | 924 | yylval.s = p->name; |
| | 925 | return (p->token); |
| | 926 | } |
| | 927 | break; |
| | 928 | |
| | 929 | case SITECMD: |
| | 930 | if (cbuf[cpos] == ' ') { |
| | 931 | cpos++; |
| | 932 | return (SP); |
| | 933 | } |
| | 934 | cp = &cbuf[cpos]; |
| | 935 | if ((cp2 = strpbrk(cp, " \n"))) |
| | 936 | cpos = cp2 - cbuf; |
| | 937 | c = cbuf[cpos]; |
| | 938 | cbuf[cpos] = '\0'; |
| | 939 | upper(cp); |
| | 940 | p = lookup(sitetab, cp); |
| | 941 | cbuf[cpos] = c; |
| | 942 | if (p != 0) { |
| | 943 | if (p->implemented == 0) { |
| | 944 | state = CMD; |
| | 945 | nack(p->name); |
| | 946 | longjmp(errcatch,0); |
| | 947 | /* NOTREACHED */ |
| | 948 | } |
| | 949 | state = p->state; |
| | 950 | yylval.s = p->name; |
| | 951 | return (p->token); |
| | 952 | } |
| | 953 | state = CMD; |
| | 954 | break; |
| | 955 | |
| | 956 | case OSTR: |
| | 957 | if (cbuf[cpos] == '\n') { |
| | 958 | state = CMD; |
| | 959 | return (CRLF); |
| | 960 | } |
| | 961 | /* FALLTHROUGH */ |
| | 962 | |
| | 963 | case STR1: |
| | 964 | case ZSTR1: |
| | 965 | dostr1: |
| | 966 | if (cbuf[cpos] == ' ') { |
| | 967 | cpos++; |
| | 968 | state = state == OSTR ? STR2 : ++state; |
| | 969 | return (SP); |
| | 970 | } |
| | 971 | break; |
| | 972 | |
| | 973 | case ZSTR2: |
| | 974 | if (cbuf[cpos] == '\n') { |
| | 975 | state = CMD; |
| | 976 | return (CRLF); |
| | 977 | } |
| | 978 | /* FALLTHROUGH */ |
| | 979 | |
| | 980 | case STR2: |
| | 981 | cp = &cbuf[cpos]; |
| | 982 | n = strlen(cp); |
| | 983 | cpos += n - 1; |
| | 984 | /* |
| | 985 | * Make sure the string is nonempty and \n terminated. |
| | 986 | */ |
| | 987 | if (n > 1 && cbuf[cpos] == '\n') { |
| | 988 | cbuf[cpos] = '\0'; |
| | 989 | yylval.s = copy(cp); |
| | 990 | cbuf[cpos] = '\n'; |
| | 991 | state = ARGS; |
| | 992 | return (STRING); |
| | 993 | } |
| | 994 | break; |
| | 995 | |
| | 996 | case NSTR: |
| | 997 | if (cbuf[cpos] == ' ') { |
| | 998 | cpos++; |
| | 999 | return (SP); |
| | 1000 | } |
| | 1001 | if (isdigit(cbuf[cpos])) { |
| | 1002 | cp = &cbuf[cpos]; |
| | 1003 | while (isdigit(cbuf[++cpos])) |
| | 1004 | ; |
| | 1005 | c = cbuf[cpos]; |
| | 1006 | cbuf[cpos] = '\0'; |
| | 1007 | yylval.i = atoi(cp); |
| | 1008 | cbuf[cpos] = c; |
| | 1009 | state = STR1; |
| | 1010 | return (NUMBER); |
| | 1011 | } |
| | 1012 | state = STR1; |
| | 1013 | goto dostr1; |
| | 1014 | |
| | 1015 | case ARGS: |
| | 1016 | if (isdigit(cbuf[cpos])) { |
| | 1017 | cp = &cbuf[cpos]; |
| | 1018 | while (isdigit(cbuf[++cpos])) |
| | 1019 | ; |
| | 1020 | c = cbuf[cpos]; |
| | 1021 | cbuf[cpos] = '\0'; |
| | 1022 | yylval.i = atoi(cp); |
| | 1023 | cbuf[cpos] = c; |
| | 1024 | return (NUMBER); |
| | 1025 | } |
| | 1026 | switch (cbuf[cpos++]) { |
| | 1027 | |
| | 1028 | case '\n': |
| | 1029 | state = CMD; |
| | 1030 | return (CRLF); |
| | 1031 | |
| | 1032 | case ' ': |
| | 1033 | return (SP); |
| | 1034 | |
| | 1035 | case ',': |
| | 1036 | return (COMMA); |
| | 1037 | |
| | 1038 | case 'A': |
| | 1039 | case 'a': |
| | 1040 | return (A); |
| | 1041 | |
| | 1042 | case 'B': |
| | 1043 | case 'b': |
| | 1044 | return (B); |
| | 1045 | |
| | 1046 | case 'C': |
| | 1047 | case 'c': |
| | 1048 | return (C); |
| | 1049 | |
| | 1050 | case 'E': |
| | 1051 | case 'e': |
| | 1052 | return (E); |
| | 1053 | |
| | 1054 | case 'F': |
| | 1055 | case 'f': |
| | 1056 | return (F); |
| | 1057 | |
| | 1058 | case 'I': |
| | 1059 | case 'i': |
| | 1060 | return (I); |
| | 1061 | |
| | 1062 | case 'L': |
| | 1063 | case 'l': |
| | 1064 | return (L); |
| | 1065 | |
| | 1066 | case 'N': |
| | 1067 | case 'n': |
| | 1068 | return (N); |
| | 1069 | |
| | 1070 | case 'P': |
| | 1071 | case 'p': |
| | 1072 | return (P); |
| | 1073 | |
| | 1074 | case 'R': |
| | 1075 | case 'r': |
| | 1076 | return (R); |
| | 1077 | |
| | 1078 | case 'S': |
| | 1079 | case 's': |
| | 1080 | return (S); |
| | 1081 | |
| | 1082 | case 'T': |
| | 1083 | case 't': |
| | 1084 | return (T); |
| | 1085 | |
| | 1086 | } |
| | 1087 | break; |
| | 1088 | |
| | 1089 | default: |
| | 1090 | fatal("Unknown state in scanner."); |
| | 1091 | } |
| | 1092 | yyerror((char *) 0); |
| | 1093 | state = CMD; |
| | 1094 | longjmp(errcatch,0); |
| | 1095 | } |
| | 1096 | } |
| | 1097 | |
| | 1098 | void |
| | 1099 | upper(s) |
| | 1100 | char *s; |
| | 1101 | { |
| | 1102 | while (*s != '\0') { |
| | 1103 | if (islower(*s)) |
| | 1104 | *s = toupper(*s); |
| | 1105 | s++; |
| | 1106 | } |
| | 1107 | } |
| | 1108 | |
| | 1109 | static char * |
| | 1110 | copy(s) |
| | 1111 | char *s; |
| | 1112 | { |
| | 1113 | char *p; |
| | 1114 | |
| | 1115 | p = malloc((unsigned) strlen(s) + 1); |
| | 1116 | if (p == NULL) |
| | 1117 | fatal("Ran out of memory."); |
| | 1118 | (void) strcpy(p, s); |
| | 1119 | return (p); |
| | 1120 | } |
| | 1121 | |
| | 1122 | static void |
| | 1123 | help(ctab, s) |
| | 1124 | struct tab *ctab; |
| | 1125 | char *s; |
| | 1126 | { |
| | 1127 | struct tab *c; |
| | 1128 | int width, NCMDS; |
| | 1129 | char *type; |
| | 1130 | |
| | 1131 | if (ctab == sitetab) |
| | 1132 | type = "SITE "; |
| | 1133 | else |
| | 1134 | type = ""; |
| | 1135 | width = 0, NCMDS = 0; |
| | 1136 | for (c = ctab; c->name != NULL; c++) { |
| | 1137 | int len = strlen(c->name); |
| | 1138 | |
| | 1139 | if (len > width) |
| | 1140 | width = len; |
| | 1141 | NCMDS++; |
| | 1142 | } |
| | 1143 | width = (width + 8) &~ 7; |
| | 1144 | if (s == 0) { |
| | 1145 | int i, j, w; |
| | 1146 | int columns, lines; |
| | 1147 | |
| | 1148 | lreply(214, "The following %scommands are recognized %s.", |
| | 1149 | type, "(* =>'s unimplemented)"); |
| | 1150 | columns = 76 / width; |
| | 1151 | if (columns == 0) |
| | 1152 | columns = 1; |
| | 1153 | lines = (NCMDS + columns - 1) / columns; |
| | 1154 | for (i = 0; i < lines; i++) { |
| | 1155 | printf(" "); |
| | 1156 | for (j = 0; j < columns; j++) { |
| | 1157 | c = ctab + j * lines + i; |
| | 1158 | printf("%s%c", c->name, |
| | 1159 | c->implemented ? ' ' : '*'); |
| | 1160 | if (c + lines >= &ctab[NCMDS]) |
| | 1161 | break; |
| | 1162 | w = strlen(c->name) + 1; |
| | 1163 | while (w < width) { |
| | 1164 | putchar(' '); |
| | 1165 | w++; |
| | 1166 | } |
| | 1167 | } |
| | 1168 | printf("\r\n"); |
| | 1169 | } |
| | 1170 | (void) fflush(stdout); |
| | 1171 | reply(214, "Direct comments to ftp-bugs@%s.", hostname); |
| | 1172 | return; |
| | 1173 | } |
| | 1174 | upper(s); |
| | 1175 | c = lookup(ctab, s); |
| | 1176 | if (c == (struct tab *)0) { |
| | 1177 | reply(502, "Unknown command %s.", s); |
| | 1178 | return; |
| | 1179 | } |
| | 1180 | if (c->implemented) |
| | 1181 | reply(214, "Syntax: %s%s %s", type, c->name, c->help); |
| | 1182 | else |
| | 1183 | reply(214, "%s%-*s\t%s; unimplemented.", type, width, |
| | 1184 | c->name, c->help); |
| | 1185 | } |
| | 1186 | |
| | 1187 | static void |
| | 1188 | sizecmd(filename) |
| | 1189 | char *filename; |
| | 1190 | { |
| | 1191 | switch (type) { |
| | 1192 | case TYPE_L: |
| | 1193 | case TYPE_I: { |
| | 1194 | struct stat stbuf; |
| | 1195 | if (stat(filename, &stbuf) < 0 || !S_ISREG(stbuf.st_mode)) |
| | 1196 | reply(550, "%s: not a plain file.", filename); |
| | 1197 | else |
| | 1198 | reply(213, "%qu", stbuf.st_size); |
| | 1199 | break; } |
| | 1200 | case TYPE_A: { |
| | 1201 | FILE *fin; |
| | 1202 | int c; |
| | 1203 | off_t count; |
| | 1204 | struct stat stbuf; |
| | 1205 | fin = fopen(filename, "r"); |
| | 1206 | if (fin == NULL) { |
| | 1207 | perror_reply(550, filename); |
| | 1208 | return; |
| | 1209 | } |
| | 1210 | if (fstat(fileno(fin), &stbuf) < 0 || !S_ISREG(stbuf.st_mode)) { |
| | 1211 | reply(550, "%s: not a plain file.", filename); |
| | 1212 | (void) fclose(fin); |
| | 1213 | return; |
| | 1214 | } |
| | 1215 | |
| | 1216 | count = 0; |
| | 1217 | while((c=getc(fin)) != EOF) { |
| | 1218 | if (c == '\n') /* will get expanded to \r\n */ |
| | 1219 | count++; |
| | 1220 | count++; |
| | 1221 | } |
| | 1222 | (void) fclose(fin); |
| | 1223 | |
| | 1224 | reply(213, "%qd", count); |
| | 1225 | break; } |
| | 1226 | default: |
| | 1227 | reply(504, "SIZE not implemented for Type %c.", "?AEIL"[type]); |
| | 1228 | } |
| | 1229 | } |
projects / unix-history / blame_incremental